1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _BCACHEFS_FS_IO_BUFFERED_H 3 #define _BCACHEFS_FS_IO_BUFFERED_H 4 5 #ifndef NO_BCACHEFS_FS 6 7 int bch2_read_single_folio(struct folio *, struct address_space *); 8 int bch2_read_folio(struct file *, struct folio *); 9 10 int bch2_writepages(struct address_space *, struct writeback_control *); 11 void bch2_readahead(struct readahead_control *); 12 13 int bch2_write_begin(struct file *, struct address_space *, loff_t pos, 14 unsigned len, struct folio **, void **); 15 int bch2_write_end(struct file *, struct address_space *, loff_t, 16 unsigned len, unsigned copied, struct folio *, void *); 17 18 ssize_t bch2_write_iter(struct kiocb *, struct iov_iter *); 19 20 void bch2_fs_fs_io_buffered_exit(struct bch_fs *); 21 int bch2_fs_fs_io_buffered_init(struct bch_fs *); 22 #else bch2_fs_fs_io_buffered_exit(struct bch_fs * c)23 static inline void bch2_fs_fs_io_buffered_exit(struct bch_fs *c) {} bch2_fs_fs_io_buffered_init(struct bch_fs * c)24 static inline int bch2_fs_fs_io_buffered_init(struct bch_fs *c) { return 0; } 25 #endif 26 27 #endif /* _BCACHEFS_FS_IO_BUFFERED_H */ 28